Another question please!?
It is asking me to sketch a graph on a piece of paper and describe the trend of the data but I dont know what it is?
Also, what is the correlation coefficient?
This is all so confusing and my teacher doesnt wanna show me because he is biased. Please help because I feel so bad and Im trying my best…
Favorite Answer
A number of different coefficients are used for different situations. The best known is the Pearson product-moment correlation coefficient, which is obtained by dividing the covariance of the two variables by the product of their standard deviations. Despite its name, it was first introduced by Francis Galton.
As to the trend of data in the graph, I believe he simply wants you to tell him if it is moving up or down or just staying level at each point in the graph.
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